Finding the Fourth Proportional to 1,761,776.27, 2,431,452.93 and 987,616.19
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Solution
The fourth proportional to 1,761,776.27, 2,431,452.93 and 987,616.19 is: 1,363,023.40
Step by Step Solution
- Step 1: Write the proportion equation
1,761,776.27 : 2,431,452.93 = 987,616.19 : x - Step 2: Convert to fraction form
1,761,776.27/2,431,452.93 = 987,616.19/x - Step 3: Cross multiply
1,761,776.27x = 2,431,452.93 × 987,616.19 - Step 4: Simplify right side
1,761,776.27x = 2,401,342,278,890.94 - Step 5: Solve for x
x = 2,401,342,278,890.94/1,761,776.27 - Step 6: Final answer
x = 1,363,023.40
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.